<html lang="en">
<head>
</head>
<body>
<h1>欢迎<span th:text="${username}"></span>登录xxx系统！</h1><br/>
<h2>我是服务器：<span th:text="${port}"></span></h2>
<h2>当前sessionId：<span th:text="${sessionId}"></span></h2>
</body>
</html>
